I think it’s 6. There are 4 squares and 4 triangles. 2 triangles put together turn into a square, so that would make 2 extra squares. 4+2=6.
If the entire angle is equal to 55 degrees than JL would equal 29
25/100 = 1/4 (divide both numerator and denominator by 25)
350/1000 = 35/100 = 7/20.